Tin Oxide Polishing Powder 99.9% Pure from Mexico
Tin oxide polishing powder is an ultra-fine, high-purity (99.9%) form of stannic oxide (SnO2) used for polishing optical glass, mirrors, and gemstones. As a chemically defined metal oxide, it falls under Chapter 28. Tariff item 2825.90.00 covers this product as an 'other' metal oxide, despite its specialized application.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm that the powder is not mixed with binders or suspended in a liquid, which would reclassify it as a polishing preparation
• Provide the CBSA with the purity certificate and particle size distribution
• If the product is classified as a hazardous material, follow WHMIS labelling requirements